Rank	Countries/Territories	Count	Percent
1	United States	580	39.2%
2	China	477	32.3%
3	Germany	189	12.8%
4	France	38	2.6%
5	Canada	32	2.2%
6	United Kingdom	31	2.1%
7	Korea, Republic of	15	1%
8	Cyprus	12	0.8%
9	Japan	10	0.7%
10	Netherlands	10	0.7%
11	Ukraine	9	0.6%
12	Brazil	8	0.5%
13		8	0.5%
14	Hong Kong	7	0.5%
15	India	6	0.4%
16	Singapore	6	0.4%
17	Russia	5	0.3%
18	Ireland	5	0.3%
19	Latvia	4	0.3%
20	Indonesia	3	0.2%
21	Iran, Islamic Republic of	2	0.1%
22	Australia	2	0.1%
23	Belgium	2	0.1%
24	Czech Republic	2	0.1%
25	Philippines	2	0.1%
26	Nigeria	2	0.1%
27	Togo	2	0.1%
28	Viet Nam	2	0.1%
29	Turkey	1	0.1%
30	Norway	1	0.1%
31	Slovakia	1	0.1%
32	South Africa	1	0.1%
33	Spain	1	0.1%
34	Sweden	1	0.1%
35	Georgia	1	0.1%
36	Mongolia	1	0.1%